On Thu, Jan 1, 2009 at 18:44, Andreas Mohr <andi@xxxxxxxx> wrote: >> > > I have a pl2303 USB-RS232 converter that cannot be reliably >> > > detected. >> > >> > Faulty hardware? Flaky cables? Bad connections? If this is >> > reproducable for the same device on multiple machines, I'd just go buy >> > a >> > new device :) >> >> I decided to give it a last try before planning a replacement - then I >> find that /dev/ttyUSB0 could be created if I enlarge the retry times. >> >> It could take 10 seconds to get a valid response. It must go crazy. > > Detected _instantly_ on 2.6.28 here: > > [59750.560209] usb 1-1: USB disconnect, address 5 > [59750.561888] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0 > [59750.561970] pl2303 1-1:1.0: device disconnected > [59752.904108] usb 1-1: new full speed USB device using uhci_hcd and address 6 > [59753.059546] usb 1-1: configuration #1 chosen from 1 choice > [59753.061460] pl2303 1-1:1.0: pl2303 converter detected > [59753.114738] usb 1-1: pl2303 converter now attached to ttyUSB0 > > (the 3-second delay basically was me waiting before reinserting) > > > Bus 001 Device 006: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port > > Label: "GMUS-03 USB Serial Adapter" > > Detection test only, _not_ used for actual serial communication currently... > > > But there are more PL2303 adapters than flies on this planet, > thus someone else also has some input on this? Mine works fine with today's Linux git tree: usb 1-2.2: new full speed USB device using uhci_hcd and address 11 usb 1-2.2: configuration #1 chosen from 1 choice pl2303 1-2.2:1.0: pl2303 converter detected usb 1-2.2: pl2303 converter now attached to ttyUSB0 Kay -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
